<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <div style="display: flex;justify-content: center;align-items: center;margin: 10px auto 60px;">
        <img src="../assets/images/logo.png" style="width: 60px;height: 60px;margin-right: 20px;" alt="">
        <div class="title">商家登录</div>
      </div>
<!--      <div>-->
<!--        <form action="fileUpload" method="post">-->
<!--          <input type="file" name="fileName"></input>-->
<!--          <input type="submit"></input>-->
<!--        </form>-->
<!--      </div>-->
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号" style="background: #F3F4FA;width: 550px;"
        >
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          <!-- <img src="../assets/images/zh.png" slot="prefix" alt=""> -->
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="new-password"
          placeholder="密码"
          @keyup.enter.native="handleLogin" style="background: #F3F4FA;width: 550px;"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          @click.native.prevent="handleLogin" style="width: 550px;height: 60px;background: linear-gradient(0deg, #3F75F6 0%, #9BB8F0 100%);border-radius: 34px;"
        >
          <span v-if="!loading" style="font-size: 26px;color: #FFFFFF;">登 录</span>
          <span v-else style="font-size: 26px;color: #FFFFFF;">登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    <div class="tip">
      <span>提醒：还没有账号？忘记密码？联系婚选服务人员</span>
    </div>
    </el-form>
    <!--  底部  -->
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: false,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background-image: url("../assets/images/login-background.jpg");
  background-image: url("../assets/images/loginBg.png");
  background-size: cover;
}
.title {
  // margin: 0px auto 30px;
  font-weight: 600;
  font-size: 44px;
  color: #000000;
}
.tip {
  margin-top: 20px;
  font-size: 14px;
  color: #7D7D7D;
  text-align: center;
}
::v-deep .el-input__inner {
  background-color:  #F3F4FA!important;
}
.el-input__inner {
  background-color:  #F3F4FA!important;
}

.login-form {
  position: absolute;
  right: 140px;
  top: 164px;
  // border-radius: 6px;
  // background: #ffffff;
  background-image: url('../assets/images/loginForm_bg.png');
  background-size: cover;
  width: 650px;
  // height: 779px;
  padding: 50px;
  box-sizing: border-box;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
